for those of innovation that can help shift the task to work being done by educated eco-and the interface between service provider and community and increase the demand. but if we don't ship to innovation, way. >> i should clarify for audience that the human immune system i very specifically targeted by the hiv virus. so as your cd-4 count goes down, you're headed for his part said the case of the disease. we have time for one more question. i think i sought and stars of family care international but air. >> thanks, laurie. i wanted to ask if you could, specifically in what you see as priorities and transcendent possibilities in sub-saharan africa, the region where the problem of hiv/aids is most severe in terms of population and in particular from the perspective of the long-term potential and the question of the most strategic approach in terms of dealing with hava is more or less of it or to publish your integrate cnet with the provision of basic health services, reproductive, newborn and maternal services, what you see is the most appropriate strategy for dealing with this in africa.